Alternator
The optional 130A 3G is totally PnP. IDK if MotorCraft still offers a reman of it - shop around. Maybe F6PZ-10346-XARM2 or F6PZ-10346-XA. I put a used one from the JY on mine several years ago.
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There's only 1 alternator bracket for the serpentine 4.9L. But it has 2 pairs of alternator holes; 1 for the small-frame 2G & 3G, and the other for the large-frame alternators. So yes.
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4ga is the size for the main battery cables, and the starter. The stock 3G output wire is 8ga, and uses either a 12ga fusible link, or a 175A MEGA fuse.
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